[INFO] fetching crate av-format 0.3.0...
[INFO] checking av-format-0.3.0 against beta for pr-78714
[INFO] extracting crate av-format 0.3.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate av-format 0.3.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate av-format 0.3.0
[INFO] finished tweaking crates.io crate av-format 0.3.0
[INFO] tweaked toml for crates.io crate av-format 0.3.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af6c534938ba2fca596e70f4dacf41a5d5937ff96abbb610f11f9c997a303094
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "af6c534938ba2fca596e70f4dacf41a5d5937ff96abbb610f11f9c997a303094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af6c534938ba2fca596e70f4dacf41a5d5937ff96abbb610f11f9c997a303094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af6c534938ba2fca596e70f4dacf41a5d5937ff96abbb610f11f9c997a303094", kill_on_drop: false }`
[INFO] [stdout] af6c534938ba2fca596e70f4dacf41a5d5937ff96abbb610f11f9c997a303094
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a2240b59ab644e3bf74e81f5b6b53e4483b7284b75bd2d1e4ada99a53537ac8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4a2240b59ab644e3bf74e81f5b6b53e4483b7284b75bd2d1e4ada99a53537ac8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking av-data v0.2.2
[INFO] [stderr]     Checking av-format v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.21s
[INFO] running `Command { std: "docker" "inspect" "4a2240b59ab644e3bf74e81f5b6b53e4483b7284b75bd2d1e4ada99a53537ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a2240b59ab644e3bf74e81f5b6b53e4483b7284b75bd2d1e4ada99a53537ac8", kill_on_drop: false }`
[INFO] [stdout] 4a2240b59ab644e3bf74e81f5b6b53e4483b7284b75bd2d1e4ada99a53537ac8